AUDIO AND VISUAL SYSTEM (w/ Multi-display) > Parking Brake Switch Circuit

for Preparation Click here


DESCRIPTION

This circuit is from the parking brake switch assembly to the navigation receiver assembly.

WIRING DIAGRAM


E226166E38


INSPECTION PROCEDURE

1.CHECK BRAKE WARNING LIGHT
  1. Check that the brake warning light comes on when the parking brake is applied and goes off when it is released.

    OK:
    The brake warning light operates as specified above.


NG
GO TO BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS (Click here)
OK


2.CHECK HARNESS AND CONNECTOR (PARKING BRAKE SWITCH ASSEMBLY - NAVIGATION RECEIVER ASSEMBLY)
  1. Disconnect the E117 navigation receiver assembly connector.

  1. Disconnect the E12 parking brake switch assembly connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    E117-1 (PKB) - E12-1
    Always
    Below 1 Ω
    E117-1 (PKB) - Body ground
    Always
    10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)